from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A tranquilizer, C16H13ClN2O, used in the treatment of anxiety and tension and as a sedative, muscle relaxant, and anticonvulsant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A minor tranquillizer with sedative effects, taken to reduce anxiety.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a tranquilizer (trade name Valium) used to relieve anxiety and relax muscles; acts by enhancing the inhibitory actions of the neurotransmitter GABA; can also be used as an anticonvulsant drug in cases of nerve agent poisoning
diaz(o) + ep(oxide) + am(monia).(American Heritage® Dictionary of the English Language, Fourth Edition)
From (benzo)diazep(ine) + -am of unknown origin. (Wiktionary)